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Finding the Fourth Proportional to 1,774.03, 2,660.82 and 541.36

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Solution

The fourth proportional to 1,774.03, 2,660.82 and 541.36 is: 811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.03 : 2,660.82 = 541.36 : x
  2. Step 2: Convert to fraction form
    1,774.03/2,660.82 = 541.36/x
  3. Step 3: Cross multiply
    1,774.03x = 2,660.82 × 541.36
  4. Step 4: Simplify right side
    1,774.03x = 1,440,461.52
  5. Step 5: Solve for x
    x = 1,440,461.52/1,774.03
  6. Step 6: Final answer
    x = 811.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.